From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756043AbaIKMp1 (ORCPT ); Thu, 11 Sep 2014 08:45:27 -0400 Received: from mailout32.mail01.mtsvc.net ([216.70.64.70]:39245 "EHLO n23.mail01.mtsvc.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755437AbaIKMeI (ORCPT ); Thu, 11 Sep 2014 08:34:08 -0400 Message-ID: <541196BB.60407@hurleysoftware.com> Date: Thu, 11 Sep 2014 08:34:03 -0400 From: Peter Hurley User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.0 MIME-Version: 1.0 To: One Thousand Gnomes CC: Greg Kroah-Hartman , Jiri Slaby , linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [RFC] tty: Always allow tcflow(TCOON) to unwedge terminal References: <1410384499-4982-1-git-send-email-peter@hurleysoftware.com> <20140911000343.GA5328@kroah.com> <5410E8A2.5030802@hurleysoftware.com> <20140911111930.7227abbf@alan.etchedpixels.co.uk> In-Reply-To: <20140911111930.7227abbf@alan.etchedpixels.co.uk> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Authenticated-User: 990527 peter@hurleysoftware.com X-MT-ID: 8FA290C2A27252AACF65DBC4A42F3CE3735FB2A4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/11/2014 06:19 AM, One Thousand Gnomes wrote: >> It's not common knowledge (and its certainly counterintuitive) that >> turning off output when output is already turned off (ie., tcflow(TCOOFF)) >> is the required trickery to unwedge a terminal. >> >> Unwedging directly seems the straightforward approach. > > Putting the off/on in the man page might be safer still ? That's my plan if this patch fails to launch. Regards, Peter Hurley